public void Character_cannot_be_spawned_if_it_has_a_location()
{
// Arrange
var characterId = Guid.NewGuid();
var characterLocationRepository = new Mock <ICharacterLocationRepository>();
var singleLocationPerCharacterChecker = new SingleLocationPerCharacterChecker(characterLocationRepository.Object);
var existingCharacterLocation = CharacterLocation.Create(
characterId,
0,
0,
singleLocationPerCharacterChecker
);
characterLocationRepository
.Setup(r => r.GetByCharacterIdAsync(
It.Is <Guid>(id => id == characterId),
It.IsAny <CancellationToken>()))
.Returns(Task.FromResult(existingCharacterLocation));
// Assert
AssertBrokenRule <CharacterCanOnlyHaveOneLocation>(() =>
{
// Act
CharacterLocation.Create(
characterId,
0,
0,
singleLocationPerCharacterChecker);
});
}
public void Character_can_be_spawned_if_it_has_no_location()
{
// Arrange
var characterId = Guid.NewGuid();
var characterLocationRepository = new Mock <ICharacterLocationRepository>();
characterLocationRepository
.Setup(r => r.GetByCharacterIdAsync(
It.Is <Guid>(id => id == characterId),
It.IsAny <CancellationToken>()))
.Returns(Task.FromResult <CharacterLocation>(null));
var singleLocationPerCharacterChecker = new SingleLocationPerCharacterChecker(characterLocationRepository.Object);
// Act
var character = CharacterLocation.Create(
characterId,
0,
0,
singleLocationPerCharacterChecker
);
// Assert
AssertPublishedDomainEvent <CharacterMovedEvent>(character);
}
public async Task <CharacterLocationDto> Handle(SpawnCharacterCommand request, CancellationToken cancellationToken)
{
var random = new Random(SystemClock.Now.Millisecond);
var characterLocation = CharacterLocation.Create(request.CharacterId, random.Next(-2, 2), random.Next(-2, 2), _singleLocationPerCharacterChecker);
await _characterLocationRepository.AddAsync(characterLocation, cancellationToken);
await _unitOfWork.CommitAsync(cancellationToken);
return(CharacterLocationDto.FromCharacterLocation(characterLocation));
}
public async Task <CharacterLocationDto> Handle(MoveCharacterCommand request, CancellationToken cancellationToken)
{
var characterLocation = await _characterLocationRepository.GetByCharacterIdAsync(request.CharacterId, cancellationToken);
if (characterLocation != null)
{
characterLocation.ChangeLocation(request.X, request.Y);
}
else
{
characterLocation = CharacterLocation.Create(request.CharacterId,
request.X, request.Y, _singleLocationPerCharacterChecker);
await _characterLocationRepository.AddAsync(characterLocation, cancellationToken);
}
await _unitOfWork.CommitAsync(cancellationToken);
return(CharacterLocationDto.FromCharacterLocation(characterLocation));
}